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minio/cmd/signature-v4-utils_test.go

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/*
* MinIO Cloud Storage, (C) 2015, 2016, 2017 MinIO, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cmd
import (
"net/http"
"testing"
"github.com/minio/minio/cmd/crypto"
)
// TestSkipContentSha256Cksum - Test validate the logic which decides whether
// to skip checksum validation based on the request header.
func TestSkipContentSha256Cksum(t *testing.T) {
testCases := []struct {
inputHeaderKey string
inputHeaderValue string
inputQueryKey string
inputQueryValue string
expectedResult bool
}{
// Test case - 1.
// Test case with "X-Amz-Content-Sha256" header set, but to empty value but we can't skip.
{"X-Amz-Content-Sha256", "", "", "", false},
// Test case - 2.
// Test case with "X-Amz-Content-Sha256" not set so we can skip.
{"", "", "", "", true},
// Test case - 3.
// Test case with "X-Amz-Content-Sha256" header set to "UNSIGNED-PAYLOAD"
// When "X-Amz-Content-Sha256" header is set to "UNSIGNED-PAYLOAD", validation of content sha256 has to be skipped.
{"X-Amz-Content-Sha256", unsignedPayload, "X-Amz-Credential", "", true},
// Test case - 4.
// Enabling PreSigned Signature v4, but X-Amz-Content-Sha256 not set has to be skipped.
{"", "", "X-Amz-Credential", "", true},
// Test case - 5.
// Enabling PreSigned Signature v4, but X-Amz-Content-Sha256 set and its not UNSIGNED-PAYLOAD, we shouldn't skip.
{"X-Amz-Content-Sha256", "somevalue", "X-Amz-Credential", "", false},
// Test case - 6.
// Test case with "X-Amz-Content-Sha256" header set to "UNSIGNED-PAYLOAD" and its not presigned, we should skip.
{"X-Amz-Content-Sha256", unsignedPayload, "", "", true},
// Test case - 7.
// "X-Amz-Content-Sha256" not set and PreSigned Signature v4 not enabled, sha256 checksum calculation is not skipped.
{"", "", "X-Amz-Credential", "", true},
// Test case - 8.
// "X-Amz-Content-Sha256" has a proper value cannot skip.
{"X-Amz-Content-Sha256", "somevalue", "", "", false},
}
for i, testCase := range testCases {
// creating an input HTTP request.
// Only the headers are relevant for this particular test.
inputReq, err := http.NewRequest(http.MethodGet, "http://example.com", nil)
if err != nil {
t.Fatalf("Error initializing input HTTP request: %v", err)
}
if testCase.inputQueryKey != "" {
q := inputReq.URL.Query()
q.Add(testCase.inputQueryKey, testCase.inputQueryValue)
if testCase.inputHeaderKey != "" {
q.Add(testCase.inputHeaderKey, testCase.inputHeaderValue)
}
inputReq.URL.RawQuery = q.Encode()
} else {
if testCase.inputHeaderKey != "" {
inputReq.Header.Set(testCase.inputHeaderKey, testCase.inputHeaderValue)
}
}
actualResult := skipContentSha256Cksum(inputReq)
if testCase.expectedResult != actualResult {
t.Errorf("Test %d: Expected the result to `%v`, but instead got `%v`", i+1, testCase.expectedResult, actualResult)
}
}
}
// TestIsValidRegion - Tests validate the comparison logic for asserting whether the region from http request is valid.
func TestIsValidRegion(t *testing.T) {
testCases := []struct {
inputReqRegion string
inputConfRegion string
expectedResult bool
}{
{"", "", true},
{globalMinioDefaultRegion, "", true},
{globalMinioDefaultRegion, "US", true},
{"us-west-1", "US", false},
{"us-west-1", "us-west-1", true},
// "US" was old naming convention for 'us-east-1'.
{"US", "US", true},
}
for i, testCase := range testCases {
actualResult := isValidRegion(testCase.inputReqRegion, testCase.inputConfRegion)
if testCase.expectedResult != actualResult {
t.Errorf("Test %d: Expected the result to `%v`, but instead got `%v`", i+1, testCase.expectedResult, actualResult)
}
}
}
// TestExtractSignedHeaders - Tests validate extraction of signed headers using list of signed header keys.
func TestExtractSignedHeaders(t *testing.T) {
signedHeaders := []string{"host", "x-amz-content-sha256", "x-amz-date", "transfer-encoding"}
// If the `expect` key exists in the signed headers then golang server would have stripped out the value, expecting the `expect` header set to `100-continue` in the result.
signedHeaders = append(signedHeaders, "expect")
// expected header values.
expectedHost := "play.min.io:9000"
expectedContentSha256 := "1234abcd"
expectedTime := UTCNow().Format(iso8601Format)
expectedTransferEncoding := "gzip"
expectedExpect := "100-continue"
r, err := http.NewRequest(http.MethodGet, "http://play.min.io:9000", nil)
if err != nil {
t.Fatal("Unable to create http.Request :", err)
}
r.TransferEncoding = []string{expectedTransferEncoding}
// Creating input http header.
inputHeader := r.Header
inputHeader.Set("x-amz-content-sha256", expectedContentSha256)
inputHeader.Set("x-amz-date", expectedTime)
// calling the function being tested.
extractedSignedHeaders, errCode := extractSignedHeaders(signedHeaders, r)
if errCode != ErrNone {
t.Fatalf("Expected the APIErrorCode to be %d, but got %d", ErrNone, errCode)
}
inputQuery := r.URL.Query()
// case where some headers need to get from request query
signedHeaders = append(signedHeaders, "x-amz-server-side-encryption")
// expect to fail with `ErrUnsignedHeaders` because couldn't find some header
_, errCode = extractSignedHeaders(signedHeaders, r)
if errCode != ErrUnsignedHeaders {
t.Fatalf("Expected the APIErrorCode to %d, but got %d", ErrUnsignedHeaders, errCode)
}
// set headers value through Get parameter
inputQuery.Add("x-amz-server-side-encryption", crypto.SSEAlgorithmAES256)
r.URL.RawQuery = inputQuery.Encode()
_, errCode = extractSignedHeaders(signedHeaders, r)
if errCode != ErrNone {
t.Fatalf("Expected the APIErrorCode to be %d, but got %d", ErrNone, errCode)
}
// "x-amz-content-sha256" header value from the extracted result.
extractedContentSha256 := extractedSignedHeaders.Get("x-amz-content-sha256")
// "host" header value from the extracted result.
extractedHost := extractedSignedHeaders.Get("host")
// "x-amz-date" header from the extracted result.
extractedDate := extractedSignedHeaders.Get("x-amz-date")
// extracted `expect` header.
extractedExpect := extractedSignedHeaders.Get("expect")
extractedTransferEncoding := extractedSignedHeaders.Get("transfer-encoding")
if expectedHost != extractedHost {
t.Errorf("host header mismatch: expected `%s`, got `%s`", expectedHost, extractedHost)
}
// assert the result with the expected value.
if expectedContentSha256 != extractedContentSha256 {
t.Errorf("x-amz-content-sha256 header mismatch: expected `%s`, got `%s`", expectedContentSha256, extractedContentSha256)
}
if expectedTime != extractedDate {
t.Errorf("x-amz-date header mismatch: expected `%s`, got `%s`", expectedTime, extractedDate)
}
if extractedTransferEncoding != expectedTransferEncoding {
t.Errorf("transfer-encoding mismatch: expected %s, got %s", expectedTransferEncoding, extractedTransferEncoding)
}
// Since the list of signed headers value contained `expect`, the default value of `100-continue` will be added to extracted signed headers.
if extractedExpect != expectedExpect {
t.Errorf("expect header incorrect value: expected `%s`, got `%s`", expectedExpect, extractedExpect)
}
// case where the headers don't contain the one of the signed header in the signed headers list.
signedHeaders = append(signedHeaders, "X-Amz-Credential")
// expected to fail with `ErrUnsignedHeaders`.
_, errCode = extractSignedHeaders(signedHeaders, r)
if errCode != ErrUnsignedHeaders {
t.Fatalf("Expected the APIErrorCode to %d, but got %d", ErrUnsignedHeaders, errCode)
}
// case where the list of signed headers doesn't contain the host field.
signedHeaders = signedHeaders[2:5]
// expected to fail with `ErrUnsignedHeaders`.
_, errCode = extractSignedHeaders(signedHeaders, r)
if errCode != ErrUnsignedHeaders {
t.Fatalf("Expected the APIErrorCode to %d, but got %d", ErrUnsignedHeaders, errCode)
}
}
// TestSignV4TrimAll - tests the logic of TrimAll() function
func TestSignV4TrimAll(t *testing.T) {
testCases := []struct {
// Input.
inputStr string
// Expected result.
result string
}{
{"本語", "本語"},
{" abc ", "abc"},
{" a b ", "a b"},
{"a b ", "a b"},
{"a b", "a b"},
{"a b", "a b"},
{" a b c ", "a b c"},
{"a \t b c ", "a b c"},
{"\"a \t b c ", "\"a b c"},
{" \t\n\u000b\r\fa \t\n\u000b\r\f b \t\n\u000b\r\f c \t\n\u000b\r\f", "a b c"},
}
// Tests generated values from url encoded name.
for i, testCase := range testCases {
result := signV4TrimAll(testCase.inputStr)
if testCase.result != result {
t.Errorf("Test %d: Expected signV4TrimAll result to be \"%s\", but found it to be \"%s\" instead", i+1, testCase.result, result)
}
}
}
// Test getContentSha256Cksum
func TestGetContentSha256Cksum(t *testing.T) {
testCases := []struct {
h string // header SHA256
q string // query SHA256
expected string // expected SHA256
}{
{"shastring", "", "shastring"},
{emptySHA256, "", emptySHA256},
{"", "", emptySHA256},
{"", "X-Amz-Credential=random", unsignedPayload},
{"", "X-Amz-Credential=random&X-Amz-Content-Sha256=" + unsignedPayload, unsignedPayload},
{"", "X-Amz-Credential=random&X-Amz-Content-Sha256=shastring", "shastring"},
}
for i, testCase := range testCases {
r, err := http.NewRequest(http.MethodGet, "http://localhost/?"+testCase.q, nil)
if err != nil {
t.Fatal(err)
}
if testCase.h != "" {
r.Header.Set("x-amz-content-sha256", testCase.h)
}
got := getContentSha256Cksum(r, serviceS3)
if got != testCase.expected {
t.Errorf("Test %d: got:%s expected:%s", i+1, got, testCase.expected)
}
}
}